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Finding the Fourth Proportional to 356,794.26, 492,391.02 and 195,655.52

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Solution

The fourth proportional to 356,794.26, 492,391.02 and 195,655.52 is: 270,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,794.26 : 492,391.02 = 195,655.52 : x
  2. Step 2: Convert to fraction form
    356,794.26/492,391.02 = 195,655.52/x
  3. Step 3: Cross multiply
    356,794.26x = 492,391.02 × 195,655.52
  4. Step 4: Simplify right side
    356,794.26x = 96,339,021,061.43
  5. Step 5: Solve for x
    x = 96,339,021,061.43/356,794.26
  6. Step 6: Final answer
    x = 270,012.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.